Which event marks the beginning of the cardiac cycle?
A) ventricular systole
B) atrial diastole
C) atrial arrhythmia
D) ventricular diastole
E) atrial systole
E) atrial systole
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Defense of the body against a particular pathogen is provided by
A) innate immunity. B) adaptive immunity. C) immunological surveillance. D) skin defenses. E) fever.
Blood flows from the fetus to the placenta through paired
A) umbilical vein. B) iliac veins. C) umbilical arteries. D) uterine veins. E) uterine arteries.
Within normal limits, an increase in preload leads to
A. an increase in cardiac output and force of left ventricular contraction. B. a decrease in cardiac output and force of left ventricular contraction. C. an increase in cardiac output and a decrease in force of left ventricular contraction. D. a decrease in cardiac output and an increase in the force of left ventricular contraction. E. a decrease in stroke volume and heart rate.
Fibrin is quickly disposed of by plasmin activated by __________ or tPA
Fill in the blank(s) with correct word